2017 · Q70
Which one of the following triples does not represent the sides of a triangle ?
Elementary MathematicsGeometry: Lines, Angles and Triangles
- A(3, 4, 5)
- B(4, 7, 10)
- C(3, 6, 8)
- D(2, 3, 6)
Explanation
Triangle inequality fails for (2, 3, 6): 2 + 3 = 5 < 6: option D. The other triples satisfy it (e.g. 3+4 > 5).